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Benzo[e]naphth[2,1-b]oxepin-8,13-dione is a complex organic compound with a molecular formula of C17H8O3. It is a tricyclic aromatic compound, featuring a benzene ring fused to a naphthalene core, with an oxepin ring bridging the two. The oxepin ring is a seven-membered ring containing one oxygen atom, and the compound has two carbonyl groups (C=O) at positions 8 and 13, which contribute to its reactivity and potential applications in various chemical processes. benzo[e]naphth[2,1-b]oxepin-8,13-dione is known for its unique structure and can be found in certain natural products or synthesized for specific applications in the fields of pharmaceuticals, materials science, and organic chemistry research.

5651-57-0

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5651-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5651-57-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,5 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5651-57:
(6*5)+(5*6)+(4*5)+(3*1)+(2*5)+(1*7)=100
100 % 10 = 0
So 5651-57-0 is a valid CAS Registry Number.

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